Samsung 840 EVO SSD not showing up in Disk Utility

I installed a Samsung 840 EVO SSD into my MacBook Pro 13-inch (mid 2011) using the steps from IFixIt (pretty sure I followed everything correctly) but somehow it's not showing up in Disk Utility when I boot up from Mavericks USB.

I installed a Samsung 840 EVO SSD into my MacBook Pro 13-inch (mid 2011) using the steps from IFixIt (pretty sure I followed everything correctly) but somehow it's not showing up in Disk Utility when I boot up from Mavericks USB.

MacRumors attracts a broad audience
of both consumers and professionals interested in
the latest technologies and products. We also boast an active community focused on
purchasing decisions and technical aspects of the iPhone, iPod, iPad, and Mac platforms.